Method, system and device for restoring lost video data in multi view point video

A technology of multi-view video and video data, applied in the field of multi-view video, can solve the problem of poor quality of reconstructed frame video, achieve the effect of simple implementation, improve video quality, and solve the problem of error concealment

Active Publication Date: 2012-08-29
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This scheme leads to obvious block effect in the reconstructed frame, and the video quality of the reconstructed frame is poor

Method used

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  • Method, system and device for restoring lost video data in multi view point video
  • Method, system and device for restoring lost video data in multi view point video
  • Method, system and device for restoring lost video data in multi view point video

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Embodiment Construction

[0024] The embodiment of the present invention aims at the loss of video data in the multi-viewpoint video code stream, and provides a method and system for recovering the lost video data in the multi-viewpoint video, which is used to eliminate the block effect of the reconstructed frame and improve the reconstructed frame video quality.

[0025] Firstly, the existing multi-view video realization system is introduced, which is composed of a video sending end, a transmission network and a video receiving end. The video sending end includes a camera acquisition system and an encoding device. The camera acquisition system is used to acquire the video stream of each view; the encoding device is used to separately encode the video stream of each view collected by the camera acquisition system to obtain multi-viewpoint video encoding The code stream, the multi-view video code stream includes the video code stream of each view. The video receiving end includes a decoding device and ...

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Abstract

The invention discloses a method, system and device for restoring lost video data in a multi view point video and is used for eliminating blocking effect of a reconstructed frame, and promoting the video quality of the reconstructed frame. The method for restoring lost video data in multi view point video comprises the following steps: receiving multi view point video coding stream sent by a video sending terminal, wherein a camera parameter of a visual angle is carried in the video coding stream of each visual angle; detecting out a lost frame which has lost video data in the video coding stream on the air visual angle, and according to the video frame in the video coding stream of the other received visual angles at the same time position with the lost frame, as well as the camera parameter of relevant visual angle, restoring a plurality of reconstructed frame to be selected; and selecting a reconstructed frame of the lost frame from a plurality of reconstructed frames to be selected.

Description

technical field [0001] The present invention relates to the field of multi-viewpoint video, in particular to a method, system and device for recovering lost video data in multi-viewpoint video. Background technique [0002] Multi-viewpoint video is an important content of video services. It is characterized in that users can freely choose viewing angles, so that they can watch different sides of the object (scene) to be photographed. Such as figure 1 As shown, the implementation method of multi-viewpoint video is to shoot the same object (scene) from multiple angles during shooting, and the viewing angle numbers in the clockwise direction are 1, 2, 3...16; The video streams of the views are encoded separately to obtain multi-view video encoding streams (including the video encoding streams of each view); during playback, the video encoding streams of the corresponding views need to be decoded and displayed according to user requirements. [0003] Such as figure 2 As show...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/26H04N7/64H04N19/597H04N19/65H04N19/89
Inventor 黄晓伟袁潮
Owner CHINA MOBILE COMM GRP CO LTD
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